Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Greg Martin, Jonathan Bloom, Dan Saracino. Three Proper Subgroups Covering a Group: 10911. The American Mathematical Monthly, 110(8):743-744, 2003. [doi]
Abstract is missing.